diff --git a/Tests/test_regression.py b/Tests/test_regression.py
new file mode 100644
index 0000000..c43bb36
--- /dev/null
+++ b/Tests/test_regression.py
@@ -0,0 +1,58 @@
+import os
+import sys
+import unittest
+
+sys.path.append("..")
+import nPYc
+
+"""
+Tests for checking specific data values remain the same after report functionality changes
+"""
+class test_sample_summary_regression(unittest.TestCase):
+
+    def setUp(self):
+        # load test data specific for this purpose: we know the correct numbers
+        self.data = nPYc.MSDataset(os.path.join('..', '..',
+                                                'npc-standard-project',
+                                                'Regression_Testing_Data',
+                                                'DEVSET U RPOS xcms_regressionTesting.csv'),
+                                fileType='XCMS',
+                                sop='GenericMS',
+                                noFeatureParams=9)
+
+        self.data.addSampleInfo(descriptionFormat='Basic CSV',
+                                filePath=os.path.join('..', '..',
+                                                      'npc-standard-project',
+                                                      'Regression_Testing_Data',
+                                                      'DEVSET U RPOS Basic CSV_regressionTesting.csv'))
+
+    def test_report_samplesummary(self):
+
+        sampleSummary = nPYc.reports._generateSampleReport(self.data, returnOutput=True)
+
+        # Check returns against expected
+
+        # Acquired - Totals
+        assert sampleSummary['Acquired'].loc['All', 'Total'] == 115
+        assert sampleSummary['Acquired'].loc['Study Sample', 'Total'] == 8
+        assert sampleSummary['Acquired'].loc['Study Reference', 'Total'] == 11
+        assert sampleSummary['Acquired'].loc['Long-Term Reference', 'Total'] == 1
+        assert sampleSummary['Acquired'].loc['Serial Dilution', 'Total'] == 92
+        assert sampleSummary['Acquired'].loc['Blank', 'Total'] == 2
+        assert sampleSummary['Acquired'].loc['Unknown', 'Total'] == 1
+
+        # Acquired - Marked for exclusion
+        assert sampleSummary['Acquired'].loc['All', 'Marked for Exclusion'] == 1
+        assert sampleSummary['Acquired'].loc['Study Sample', 'Marked for Exclusion'] == 1
+        assert sampleSummary['Acquired'].loc['Study Reference', 'Marked for Exclusion'] == 0
+        assert sampleSummary['Acquired'].loc['Long-Term Reference', 'Marked for Exclusion'] == 0
+        assert sampleSummary['Acquired'].loc['Serial Dilution', 'Marked for Exclusion'] == 0
+        assert sampleSummary['Acquired'].loc['Blank', 'Marked for Exclusion'] == 0
+        assert sampleSummary['Acquired'].loc['Unknown', 'Marked for Exclusion'] == 0
+
+        # Check details tables
+        assert sampleSummary['MarkedToExclude Details'].shape == (1, 2)
+        assert sampleSummary['UnknownType Details'].shape == (1, 1)
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/nPYc/reports/__init__.py b/nPYc/reports/__init__.py
index ded8549..bc34572 100644
--- a/nPYc/reports/__init__.py
+++ b/nPYc/reports/__init__.py
@@ -1,5 +1,8 @@
 """
-The :py:mod:`~nPYc.reports` submodule provides functions to generate a variety of automated reports on :py:class:`~nPYc.objects.Dataset` objects. Most reports can be displayed inline (i.e. in a Jupyter notebook), or saved to disk as an HTML file with images.
+The :py:mod:`~nPYc.reports` submodule provides functions to generate a variety of
+automated reports on :py:class:`~nPYc.objects.Dataset` objects.
+Most reports can be displayed inline (i.e. in a Jupyter notebook),
+or saved to disk as an HTML file with images.
 """
 from .featureID import generateMSIDrequests
 from .generateReport import generateReport
@@ -9,4 +12,5 @@
 from ._generateSampleReport import _generateSampleReport
 from .multivariateReport import multivariateReport
 
-__all__ = ['generateMSIDrequests', 'generateReport', '_generateSampleReport', '_generateReportMS', '_generateReportNMR', '_generateReportTargeted', 'multivariateReport']
+__all__ = ['generateMSIDrequests', 'generateReport', '_generateSampleReport', '_generateReportMS',
+           '_generateReportNMR', '_generateReportTargeted', 'multivariateReport']